Samsung Galaxy Z Fold8 Ultra F976U1UES3AZIL Firmware

Samsung Galaxy Z Fold8 Ultra F976U1UES3AZIL is an Android 17 firmware for 10 countries, 20 CSC codes. It is the same firmware configured per region and carrier (CSC). Find your country below, verify the file and download for free. Compared with the previous build F976U1UEU3AZI8 https://samfirm.shop/build/F976U1UEU3AZI8: security patch 2026-10-05 instead of 2026-09-05. This is the newest build for SM-F976U1.

8.9/10 (25)2,925 times
Android 17
OS Version
2026-09-28
Build Date
2026-10-05
Security patch
10
Countries
20
CSC codes
3
Bootloader binary

Bootloader binary 3. Flashing firmware with a lower binary is usually blocked by Samsung anti-rollback.

All regional downloads

Pick your region (CSC) to download the matching firmware package.

Paste your current build number from Settings > About phone (About tablet) > Software information, or the output of *#1234#.
    Your CSC is in Settings → About phone (About tablet) → Software information, or dial *#1234#. The CSC sets your region's features and network bands. Download the firmware for your country.
    2
    MODEM/CP Version: F976U1UES3AZIL
    ModelRegionCSC VersionRelease dateSizeFile nameDownload
    SM-F976U1
    ACG, AIO, ATT, CCT, LRA, TFN, TMB, TMK, VZW, XAA, XAR United States
    ATC, CHA, DSA, DSG, DSH, FKR, XAG
    F976U1OYM3AZIL 2026-10-06 16.78 GiB
    SM-F976U1_1_20260928200451_j1i43j8sjg_fac.zip
    SM-F976U1
    PCT Puerto Rico
    LLA
    F976U1OWA3AZIL 2026-10-07 16.869 GiB
    SM-F976U1_1_20260928205241_a1taji9hi7_fac.zip

    No matching downloads

    Device specifications

    • Display diagonal20.3 cm (8")
    • Display resolution2504 x 2256 pixels
    • RAM12 GB
    • Rear camera resolution200 MP
    • Rear camera typeTriple camera
    • Battery capacity5000 mAh
    • Weight215 g

    Specifications of SM-F976B, a regional variant of the same device. Chipset and SIM lines are left out: they can differ by region.

    What's new in F976U1UES3AZIL

    • Security
    The device is protected with improved security.

    These changes may vary depending on the model, country, or network operator of the customer environment.

    How to flash F976U1UES3AZIL

    • F976U1UES3AZIL has bootloader binary 3. Your device must run binary 3 or lower: it is the 5th character from the end of your current build number.
    • CSC: Use CSC for a clean install, to change the region (CSC code), to downgrade or to repair a device that does not boot.
    • HOME_CSC: Use HOME_CSC to update the same model and region while keeping your data. Back up anyway: a failed update can still require a reset.
    • The Download Mode key combo depends on the model: see all combos.
    Full flashing guide
    Beware: Manually flashing firmwares may brick your device. Use it at your own risk and follow our tutorial steps.

    Frequently Asked Questions

    F976U1UES3AZIL is Android 17 firmware for Samsung Galaxy Z Fold8 Ultra, released for 10 countries, 20 CSC codes. It includes the 2026-10-05 security patch. Samsung built it on 2026-09-28.

    Yes. F976U1UES3AZIL is the newest build for SM-F976U1 on SamFirm. The previous build was F976U1UEU3AZI8.

    Download the package for your region (CSC) and unzip it. In Odin, load each file into the slot with the same name: BL, AP, CP (if the package has one) and CSC, or HOME_CSC to keep your data. Odin checks the built-in checksum of every .tar.md5 file before flashing. The Samsung Galaxy Z Fold8 Ultra must be on bootloader binary 3 or lower.

    This build uses bootloader binary 3. It can be flashed on a Samsung Galaxy Z Fold8 Ultra running binary 3 or lower; if the device already has a higher binary, Odin stops with "SW REV CHECK FAIL". 2 other builds of this model use the same binary, so you can switch between them in both directions.

    Other builds and changelog for Samsung Galaxy Z Fold8 Ultra

    • Security
    The device is protected with improved security.

    These changes may vary depending on the model, country, or network operator of the customer environment.

    https://samfirm.shop/build/F976U1UEU3AZI8

    • Stability and reliability
    Device behavior has been improved.

    These changes may vary depending on the model, country, or network operator of the customer environment.

    https://samfirm.shop/build/F976U1UEU3AZI5

    • Stability and reliability
    Device behavior has been improved.
    • Security
    The device is protected with improved security.

    These changes may vary depending on the model, country, or network operator of the customer environment.

    https://samfirm.shop/build/F976U1UES2AZH7

    • Security
    The device is protected with improved security.

    These changes may vary depending on the model, country, or network operator of the customer environment.

    https://samfirm.shop/build/F976U1UEU1AZGI

    • Stability and reliability
    Device behavior has been improved.

    These changes may vary depending on the model, country, or network operator of the customer environment.

    Show 1 older build
    https://samfirm.shop/build/F976U1UEU1AZFW
    No changelog details available.